BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 177 66%
2 United States 27 10.1%
3 Germany 25 9.3%
4 Ireland 7 2.6%
5 Netherlands 7 2.6%
6 Russia 5 1.9%
7 Japan 5 1.9%
8 Singapore 3 1.1%
9 Taiwan 3 1.1%
10 United Kingdom 2 0.7%
11 Canada 2 0.7%
12 Sweden 2 0.7%
13 Korea, Republic of 2 0.7%
14 India 1 0.4%